Usui (disambiguation)
Usui is a japanese term for yushui, one of 24 solar terms.
Usui may also refer to :
- a japanese surname.
 - a mountain pass between Gunma and Nagano prefectures in Japan.
 - a former district in the same country.
 - a former town also in Japan.
 - the japanese author Usui Kojima (1873–1948).
 
See also
- All pages with prefix "usui".